keep 后加什么?ascertain

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keep 后加什么?
ascertain

1.keep + 形容词,使...保持在(某一状态
She kept the child quiet.她让孩子别作声.
2.keep + 动词ing Keep practicing,you will make progress.
3.keep sb/ sth.from doing sth.阻止,妨碍;控制住
Robbie couldn't keep the child from yelling.
罗比没法使孩子不大叫大嚷.
4.+ 名词 We keep food in a refrigerator.我们把食物存放在冰箱里.

keep后加什么词 KEEP后加什么动词 keep on 后加什么词性 keep on 后加动词什么形式? keep后加什么?to do 还是 do? keep 后加什么It's hot inside.Please keep the window _____(open) keep 后面加什么词 Keep加动词什么形式 keep后动词可加ed吗? keep后加形容词还是副词? keep in contact后怎么加动词 keep 后用什么介词